1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995-2019 Free Software Foundation, Inc.
4 dnl This file is part of GDB.
6 dnl This program is free software; you can redistribute it and/or modify
7 dnl it under the terms of the GNU General Public License as published by
8 dnl the Free Software Foundation; either version 3 of the License, or
9 dnl (at your option) any later version.
11 dnl This program is distributed in the hope that it will be useful,
12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 dnl GNU General Public License for more details.
16 dnl You should have received a copy of the GNU General Public License
17 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
19 dnl Process this file with autoconf to produce a configure script.
22 AC_CONFIG_HEADERS(config.h:config.in, [echo > stamp-h])
25 # Set the 'development' global.
26 . $srcdir/../bfd/development.sh
31 AC_USE_SYSTEM_EXTENSIONS
40 # We require a C++11 compiler. Check if one is available, and if
41 # necessary, set CXX_DIALECT to some -std=xxx switch.
42 AX_CXX_COMPILE_STDCXX(11, , mandatory)
44 # Dependency checking.
46 ZW_PROG_COMPILER_DEPENDENCIES([CC])
48 dnl List of object files and targets accumulated by configure.
60 dnl Set up for gettext.
61 ZW_GNU_GETTEXT_SISTER_DIR
63 localedir='${datadir}/locale'
66 if test x"$USE_NLS" = xyes; then
67 CONFIG_ALL="$CONFIG_ALL all-po"
68 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
69 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
70 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
74 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
77 # We never need to detect it in this sub-configure.
78 # But preserve it for config.status --recheck.
80 [Parent configure detects if it is of sufficient version.])
81 AC_ARG_VAR(MAKEINFOFLAGS,
82 [Parameters for MAKEINFO.])
84 MAKEINFO_EXTRA_FLAGS=""
85 AC_CACHE_CHECK([whether $MAKEINFO supports @click], gdb_cv_have_makeinfo_click,
86 [echo '@clicksequence{a @click{} b}' >conftest.texinfo
87 if eval "$MAKEINFO conftest.texinfo >&5 2>&5"; then
88 gdb_cv_have_makeinfo_click=yes
90 gdb_cv_have_makeinfo_click=no
92 if test x"$gdb_cv_have_makeinfo_click" = xyes; then
93 MAKEINFO_EXTRA_FLAGS="$MAKEINFO_EXTRA_FLAGS -DHAVE_MAKEINFO_CLICK"
95 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
97 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
98 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
101 # We can't pass paths as command line arguments.
102 # Mingw32 tries to be clever and will convert the paths for us.
103 # For example -DBINDIR="/usr/local/bin" passed on the command line may get
104 # converted to -DBINDIR="E:/msys/mingw32/msys/1.0/local/bin".
105 # This breaks GDB's relocatable path conversions since paths passed in
106 # config.h would not get so translated, the path prefixes no longer match.
107 AC_DEFINE_DIR(BINDIR, bindir, [Directory of programs.])
109 # GDB's datadir relocation
111 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
112 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
115 AC_ARG_WITH(relocated-sources,
116 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
117 [reloc_srcdir="${withval}"
118 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
119 [Relocated directory for source files. ])
122 AC_MSG_CHECKING([for default auto-load directory])
123 AC_ARG_WITH(auto-load-dir,
124 AS_HELP_STRING([--with-auto-load-dir=PATH],
125 [directories from which to load auto-loaded scripts @<:@$debugdir:$datadir/auto-load@:>@]),,
126 [with_auto_load_dir='$debugdir:$datadir/auto-load'])
127 escape_dir=`echo $with_auto_load_dir | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
128 AC_DEFINE_DIR(AUTO_LOAD_DIR, escape_dir,
129 [Directories from which to load auto-loaded scripts.])
130 AC_MSG_RESULT([$with_auto_load_dir])
132 AC_MSG_CHECKING([for default auto-load safe-path])
133 AC_ARG_WITH(auto-load-safe-path,
134 AS_HELP_STRING([--with-auto-load-safe-path=PATH],
135 [directories safe to hold auto-loaded files @<:@--with-auto-load-dir@:>@])
136 AS_HELP_STRING([--without-auto-load-safe-path],
137 [do not restrict auto-loaded files locations]),
138 [if test "$with_auto_load_safe_path" = "no"; then
139 with_auto_load_safe_path="/"
141 [with_auto_load_safe_path="$with_auto_load_dir"])
142 escape_dir=`echo $with_auto_load_safe_path | sed -e 's/[[$]]datadir\>/\\\\\\\\\\\\&/g' -e 's/[[$]]debugdir\>/\\\\\\\\\\\\&/g'`
143 AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir,
144 [Directories safe to hold auto-loaded files.])
145 AC_MSG_RESULT([$with_auto_load_safe_path])
147 AC_CONFIG_SUBDIRS(testsuite)
149 # Check whether to support alternative target configurations
150 AC_ARG_ENABLE(targets,
151 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
152 [case "${enableval}" in
153 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
155 no) enable_targets= ;;
156 *) enable_targets=$enableval ;;
159 # Check whether to enable 64-bit support on 32-bit hosts
160 AC_ARG_ENABLE(64-bit-bfd,
161 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
162 [case "${enableval}" in
165 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
166 esac],[want64=false])dnl
168 # Provide defaults for some variables set by the per-host and per-target
170 gdb_host_obs=posix-hdep.o
172 if test "${target}" = "${host}"; then
178 . $srcdir/configure.host
180 # Add in the common host objects.
181 . $srcdir/gdbsupport/common.host
182 gdb_host_obs="$gdb_host_obs $common_host_obs"
184 # Accumulate some settings from configure.tgt over all enabled targets
188 HAVE_NATIVE_GCORE_TARGET=
190 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
192 if test "$targ_alias" = "all"; then
195 # Canonicalize the secondary target names.
196 result=`$ac_config_sub $targ_alias 2>/dev/null`
197 if test -n "$result"; then
203 . ${srcdir}/configure.tgt
205 AS_IF([test -z "${gdb_target_obs}"],
206 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
208 # Target-specific object files
209 for i in ${gdb_target_obs}; do
210 case " $TARGET_OBS " in
213 TARGET_OBS="$TARGET_OBS ${i}"
218 # Check whether this target needs 64-bit CORE_ADDR
219 if test x${want64} = xfalse; then
220 . ${srcdir}/../bfd/config.bfd
223 # Check whether this target is native and supports gcore.
224 if test $gdb_native = yes -a "$targ_alias" = "$target_alias" \
225 && $gdb_have_gcore; then
226 HAVE_NATIVE_GCORE_TARGET=1
231 if test x${all_targets} = xtrue; then
233 # We want all 64-bit targets if we either:
234 # - run on a 64-bit host or
235 # - already require 64-bit support for some other target or
236 # - the --enable-64-bit-bfd option was supplied
237 # Otherwise we only support all 32-bit targets.
239 # NOTE: This test must be in sync with the corresponding
242 if test x${want64} = xfalse; then
243 AC_CHECK_SIZEOF(long)
244 if test "x${ac_cv_sizeof_long}" = "x8"; then
248 if test x${want64} = xtrue; then
249 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
251 TARGET_OBS='$(ALL_TARGET_OBS)'
256 AC_SUBST(HAVE_NATIVE_GCORE_TARGET)
258 # For other settings, only the main target counts.
262 targ=$target; . ${srcdir}/configure.tgt
264 # Fetch the default architecture and default target vector from BFD.
265 targ=$target; . $srcdir/../bfd/config.bfd
267 # We only want the first architecture, so strip off the others if
268 # there is more than one.
269 targ_archs=`echo $targ_archs | sed 's/ .*//'`
271 if test "x$targ_archs" != x; then
272 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
273 [Define to BFD's default architecture. ])
275 if test "x$targ_defvec" != x; then
276 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
277 [Define to BFD's default target vector. ])
282 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
287 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
290 if test x"$enable_gdbmi" = xyes; then
291 if test -d $srcdir/mi; then
292 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
293 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
294 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
295 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
301 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
306 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
307 esac],enable_tui=auto)
311 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
316 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
318 [if test -d $srcdir/gdbtk; then
323 # We unconditionally disable gdbtk tests on selected platforms.
326 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
330 # Libunwind support for ia64.
332 AC_ARG_WITH(libunwind-ia64,
333 AS_HELP_STRING([--with-libunwind-ia64],
334 [use libunwind frame unwinding for ia64 targets]),,
335 [with_libunwind_ia64=auto])
337 # Backward compatibility option.
338 if test "${with_libunwind+set}" = set; then
339 if test x"$with_libunwind_ia64" != xauto; then
341 [option --with-libunwind is deprecated, use --with-libunwind-ia64])
343 AC_MSG_WARN([option --with-libunwind is deprecated, use --with-libunwind-ia64])
344 with_libunwind_ia64="$with_libunwind"
347 case "$with_libunwind_ia64" in
351 AC_CHECK_HEADERS(libunwind-ia64.h)
352 with_libunwind_ia64=$ac_cv_header_libunwind_ia64_h
356 [bad value $with_libunwind_ia64 for GDB --with-libunwind-ia64 option])
360 if test x"$with_libunwind_ia64" = xyes; then
361 AC_CHECK_HEADERS(libunwind-ia64.h)
362 if test x"$ac_cv_header_libunwind_ia64_h" != xyes; then
363 AC_MSG_ERROR([GDB option --with-libunwind-ia64 requires libunwind-ia64.h])
365 CONFIG_OBS="$CONFIG_OBS ia64-libunwind-tdep.o"
366 CONFIG_DEPS="$CONFIG_DEPS ia64-libunwind-tdep.o"
367 CONFIG_SRCS="$CONFIG_SRCS ia64-libunwind-tdep.c"
371 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
374 if test "$opt_curses" = "yes"; then
379 AC_ARG_ENABLE(profiling,
380 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
385 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
387 [enable_profiling=no])
389 AC_CHECK_FUNCS(monstartup _mcleanup)
390 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
395 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
396 if test $ac_cv_var__etext = yes; then
397 AC_DEFINE(HAVE__ETEXT, 1,
398 [Define to 1 if your system has the _etext variable. ])
400 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
405 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
406 if test $ac_cv_var_etext = yes; then
407 AC_DEFINE(HAVE_ETEXT, 1,
408 [Define to 1 if your system has the etext variable. ])
410 if test "$enable_profiling" = yes ; then
411 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
412 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
416 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
418 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
419 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
420 ac_cv_cc_supports_pg=no)])
422 if test $ac_cv_cc_supports_pg = no; then
423 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
430 AC_ARG_ENABLE([codesign],
431 AS_HELP_STRING([--enable-codesign=CERT],
432 [sign gdb with 'codesign -s CERT']),
433 [CODESIGN_CERT=$enableval])
434 AC_SUBST([CODESIGN_CERT])
436 ACX_PKGVERSION([GDB])
437 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
438 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
439 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
441 # --------------------- #
442 # Checks for programs. #
443 # --------------------- #
451 AC_CHECK_TOOL(AR, ar)
452 AC_CHECK_TOOL(DLLTOOL, dlltool)
453 AC_CHECK_TOOL(WINDRES, windres)
457 # Needed for GNU Hurd hosts.
458 AC_CHECK_TOOL(MIG, mig)
459 if test x"$MIG" = x; then
460 AC_MSG_ERROR([MIG not found but required for $host hosts])
465 # ---------------------- #
466 # Checks for libraries. #
467 # ---------------------- #
469 # We might need to link with -lm; most simulators need it.
470 AC_CHECK_LIB(m, main)
472 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
473 AC_SEARCH_LIBS(gethostbyname, nsl)
475 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
476 AC_SEARCH_LIBS(socketpair, socket)
478 # Link in zlib if we can. This allows us to read compressed debug sections.
481 # On FreeBSD we may need libutil for kinfo_getvmmap (used by fbsd-nat.c).
482 # On GNU/kFreeBSD systems, FreeBSD libutil is renamed to libutil-freebsd.
483 AC_SEARCH_LIBS(kinfo_getvmmap, util util-freebsd,
484 [AC_DEFINE(HAVE_KINFO_GETVMMAP, 1,
485 [Define to 1 if your system has the kinfo_getvmmap function. ])])
487 # fbsd-nat.c can also use kinfo_getfile.
488 AC_SEARCH_LIBS(kinfo_getfile, util util-freebsd,
489 [AC_DEFINE(HAVE_KINFO_GETFILE, 1,
490 [Define to 1 if your system has the kinfo_getfile function. ])])
494 # GDB may fork/exec the iconv program to get the list of supported character
495 # sets. Allow the user to specify where to find it.
496 # There are several factors affecting the choice of option name:
497 # - There is already --with-libiconv-prefix but we can't use it, it specifies
498 # the build-time location of libiconv files.
499 # - The program we need to find is iconv, which comes with glibc. The user
500 # doesn't necessarily have libiconv installed. Therefore naming this
501 # --with-libiconv-foo feels wrong.
502 # - We want the path to be relocatable, but GDB_AC_DEFINE_RELOCATABLE is
503 # defined to work on directories not files (though it really doesn't know
505 # - Calling this --with-iconv-prefix is perceived to cause too much confusion
506 # with --with-libiconv-prefix.
507 # Putting these together is why the option name is --with-iconv-bin.
509 AC_ARG_WITH(iconv-bin,
510 AS_HELP_STRING([--with-iconv-bin=PATH], [specify where to find the iconv program]),
511 [iconv_bin="${withval}"
512 AC_DEFINE_UNQUOTED([ICONV_BIN], ["${iconv_bin}"],
513 [Path of directory of iconv program.])
514 GDB_AC_DEFINE_RELOCATABLE(ICONV_BIN, iconv, ${iconv_bin})
517 # For the TUI, we need enhanced curses functionality.
518 if test x"$enable_tui" != xno; then
523 if test x"$prefer_curses" = xyes; then
524 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
525 # curses library because the latter might not provide all the
526 # functionality we need. However, this leads to problems on systems
527 # where the linker searches /usr/local/lib, but the compiler doesn't
528 # search /usr/local/include, if ncurses is installed in /usr/local. A
529 # default installation of ncurses on alpha*-dec-osf* will lead to such
531 AC_SEARCH_LIBS(waddstr, [ncursesw ncurses cursesX curses])
533 if test "$ac_cv_search_waddstr" != no; then
538 # Check whether we should enable the TUI, but only do so if we really
540 if test x"$enable_tui" != xno; then
541 if test -d $srcdir/tui; then
542 if test "$curses_found" != no; then
543 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
544 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
545 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
546 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
548 if test x"$enable_tui" = xyes; then
549 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
551 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
557 # Since GDB uses Readline, we need termcap functionality. In many
558 # cases this will be provided by the curses library, but some systems
559 # have a separate termcap library, or no curses library at all.
563 if test -d $srcdir/libtermcap; then
564 LIBS="../libtermcap/libtermcap.a $LIBS"
565 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
568 ac_cv_search_tgetent="none required"
572 # These are the libraries checked by Readline.
573 AC_SEARCH_LIBS(tgetent, [termcap tinfow tinfo curses ncursesw ncurses])
575 if test "$ac_cv_search_tgetent" = no; then
576 CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
579 AC_ARG_WITH([system-readline],
580 [AS_HELP_STRING([--with-system-readline],
581 [use installed readline library])])
583 if test "$with_system_readline" = yes; then
584 AC_CACHE_CHECK([whether system readline is new enough],
585 [gdb_cv_readline_ok],
588 #include <readline/readline.h>],
589 [#if RL_VERSION_MAJOR < 7
590 # error "readline version 7 required"
592 gdb_cv_readline_ok=yes,
593 gdb_cv_readline_ok=no)])
594 if test "$gdb_cv_readline_ok" != yes; then
595 AC_MSG_ERROR([system readline is not new enough])
601 READLINE_TEXI_INCFLAG=
603 READLINE='$(READLINE_DIR)/libreadline.a'
604 READLINE_DEPS='$(READLINE)'
605 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
606 READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
609 AC_SUBST(READLINE_DEPS)
610 AC_SUBST(READLINE_CFLAGS)
611 AC_SUBST(READLINE_TEXI_INCFLAG)
613 # Generate jit-reader.h
615 # This is typedeffed to GDB_CORE_ADDR in jit-reader.h
618 AC_CHECK_SIZEOF(unsigned long long)
619 AC_CHECK_SIZEOF(unsigned long)
620 AC_CHECK_SIZEOF(unsigned __int128)
622 if test "x${ac_cv_sizeof_unsigned_long}" = "x8"; then
623 TARGET_PTR="unsigned long"
624 elif test "x${ac_cv_sizeof_unsigned_long_long}" = "x8"; then
625 TARGET_PTR="unsigned long long"
626 elif test "x${ac_cv_sizeof_unsigned___int128}" = "x16"; then
627 TARGET_PTR="unsigned __int128"
629 TARGET_PTR="unsigned long"
633 AC_CONFIG_FILES([jit-reader.h:jit-reader.in])
635 AC_SEARCH_LIBS(dlopen, dl)
637 GDB_AC_WITH_DIR([JIT_READER_DIR], [jit-reader-dir],
638 [directory to load the JIT readers from],
642 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
643 [], [with_expat=auto])
644 AC_MSG_CHECKING([whether to use expat])
645 AC_MSG_RESULT([$with_expat])
647 if test "${with_expat}" = no; then
648 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
651 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
652 [XML_Parser p = XML_ParserCreate (0);])
653 if test "$HAVE_LIBEXPAT" != yes; then
654 if test "$with_expat" = yes; then
655 AC_MSG_ERROR([expat is missing or unusable])
657 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
661 LIBS="$LIBS $LIBEXPAT"
662 AC_CHECK_FUNCS(XML_StopParser)
668 AS_HELP_STRING([--with-mpfr], [include MPFR support (auto/yes/no)]),
669 [], [with_mpfr=auto])
670 AC_MSG_CHECKING([whether to use MPFR])
671 AC_MSG_RESULT([$with_mpfr])
673 if test "${with_mpfr}" = no; then
674 AC_MSG_WARN([MPFR support disabled; some features may be unavailable.])
677 AC_LIB_HAVE_LINKFLAGS([mpfr], [gmp], [#include <mpfr.h>],
678 [mpfr_exp_t exp; mpfr_t x;
679 mpfr_frexp (&exp, x, x, MPFR_RNDN);])
680 if test "$HAVE_LIBMPFR" != yes; then
681 if test "$with_mpfr" = yes; then
682 AC_MSG_ERROR([MPFR is missing or unusable])
684 AC_MSG_WARN([MPFR is missing or unusable; some features may be unavailable.])
689 # --------------------- #
690 # Check for libpython. #
691 # --------------------- #
693 dnl Utility to simplify finding libpython.
694 dnl $1 = the shell variable to assign the result to
695 dnl If libpython is found we store $version here.
696 dnl $2 = additional flags to add to CPPFLAGS
697 dnl $3 = additional flags to add to LIBS
699 AC_DEFUN([AC_TRY_LIBPYTHON],
701 define([have_libpython_var],$1)
704 AC_MSG_CHECKING([for python])
705 save_CPPFLAGS=$CPPFLAGS
707 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
708 LIBS="$new_LIBS $LIBS"
709 found_usable_python=no
710 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "Python.h"]],
711 [[Py_Initialize ();]])],
712 [have_libpython_var=yes
713 found_usable_python=yes
714 PYTHON_CPPFLAGS=$new_CPPFLAGS
715 PYTHON_LIBS=$new_LIBS])
716 CPPFLAGS=$save_CPPFLAGS
718 AC_MSG_RESULT([${found_usable_python}])
721 dnl There are several different values for --with-python:
723 dnl no - Don't include python support.
724 dnl yes - Include python support, error if it's missing.
725 dnl If we find python in $PATH, use it to fetch configure options,
726 dnl otherwise assume the compiler can find it with no help from us.
727 dnl Python 2.7 and 2.6 are tried in turn.
728 dnl auto - Same as "yes", but if python is missing from the system,
729 dnl fall back to "no".
730 dnl /path/to/python/exec-prefix -
731 dnl Use the python located in this directory.
732 dnl If /path/to/python/exec-prefix/bin/python exists, use it to find
733 dnl the compilation parameters. Otherwise use
734 dnl -I/path/to/python/exec-prefix/include,
735 dnl -L/path/to/python/exec-prefix/lib.
736 dnl Python 2.7 and 2.6 are tried in turn.
737 dnl NOTE: This case is historical. It is what was done for 7.0/7.1
738 dnl but is deprecated.
739 dnl /path/to/python/executable -
740 dnl Run python-config.py with this version of python to fetch the
741 dnl compilation parameters.
742 dnl NOTE: This needn't be the real python executable.
743 dnl In a cross-compilation scenario (build != host), this could be
744 dnl a shell script that provides what python-config.py provides for
745 dnl --ldflags, --includes, --exec-prefix.
746 dnl python-executable -
747 dnl Find python-executable in $PATH, and then handle the same as
748 dnl /path/to/python/executable.
750 dnl If a python program is specified, it is used to run python-config.py and
751 dnl is passed --ldflags, --includes, --exec-prefix.
754 AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
755 [], [with_python=auto])
756 AC_MSG_CHECKING([whether to use python])
757 AC_MSG_RESULT([$with_python])
759 if test "${with_python}" = no; then
760 AC_MSG_WARN([python support disabled; some features may be unavailable.])
763 case "${with_python}" in
764 [[\\/]]* | ?:[[\\/]]*)
765 if test -d ${with_python}; then
766 # Assume the python binary is ${with_python}/bin/python.
767 python_prog="${with_python}/bin/python"
769 # If python does not exit ${with_python}/bin, then try in
770 # ${with_python}. On Windows/MinGW, this is where the Python
772 if test ! -x "${python_prog}"; then
773 python_prog="${with_python}/python"
776 if test ! -x "${python_prog}"; then
777 # Fall back to gdb 7.0/7.1 behaviour.
779 python_prefix=${with_python}
781 elif test -x "${with_python}"; then
782 # While we can't run python compiled for $host (unless host == build),
783 # the user could write a script that provides the needed information,
784 # so we support that.
785 python_prog=${with_python}
788 AC_ERROR(invalid value for --with-python)
792 # Disallow --with-python=foo/bar.
793 AC_ERROR(invalid value for --with-python)
796 # The user has either specified auto, yes, or the name of the python
797 # program assumed to be in $PATH.
799 case "${with_python}" in
801 if test ${build} = ${host}; then
802 AC_PATH_PROG(python_prog_path, python, missing)
803 if test "${python_prog_path}" = missing; then
806 python_prog=${python_prog_path}
809 # Not much we can do except assume the cross-compiler will find the
815 # While we can't run python compiled for $host (unless host == build),
816 # the user could write a script that provides the needed information,
817 # so we support that.
818 python_prog="${with_python}"
819 AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
820 if test "${python_prog_path}" = missing; then
821 AC_ERROR(unable to find python program ${python_prog})
827 if test "${python_prog}" != missing; then
828 # We have a python program to use, but it may be too old.
829 # Don't flag an error for --with-python=auto (the default).
830 have_python_config=yes
831 python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
832 if test $? != 0; then
833 have_python_config=failed
834 if test "${with_python}" != auto; then
835 AC_ERROR(failure running python-config --includes)
838 python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
839 if test $? != 0; then
840 have_python_config=failed
841 if test "${with_python}" != auto; then
842 AC_ERROR(failure running python-config --ldflags)
845 python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
846 if test $? != 0; then
847 have_python_config=failed
848 if test "${with_python}" != auto; then
849 AC_ERROR(failure running python-config --exec-prefix)
853 # We do not have a python executable we can use to determine where
854 # to find the Python headers and libs. We cannot guess the include
855 # path from the python_prefix either, because that include path
856 # depends on the Python version. So, there is nothing much we can
857 # do except assume that the compiler will be able to find those files.
860 have_python_config=no
863 # If we have python-config, only try the configuration it provides.
864 # Otherwise fallback on the old way of trying different versions of
868 if test "${have_python_config}" = yes; then
869 AC_TRY_LIBPYTHON(have_libpython,
870 ${python_includes}, ${python_libs})
871 elif test "${have_python_config}" != failed; then
872 if test "${have_libpython}" = no; then
873 AC_TRY_LIBPYTHON(have_libpython,
874 ${python_includes}, "-lpython2.7 ${python_libs}")
876 if test "${have_libpython}" = no; then
877 AC_TRY_LIBPYTHON(have_libpython,
878 ${python_includes}, "-lpython2.6 ${python_libs}")
882 if test "${have_libpython}" = no; then
883 case "${with_python}" in
885 AC_MSG_ERROR([python is missing or unusable])
888 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
891 AC_MSG_ERROR([no usable python found at ${with_python}])
895 if test -n "${python_prefix}"; then
896 AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
897 [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
898 GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
903 if test "${have_libpython}" != no; then
904 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
905 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
906 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
907 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
908 CONFIG_INSTALL="$CONFIG_INSTALL install-python"
909 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
911 # Flags needed to compile Python code (taken from python-config --cflags).
912 # We cannot call python-config directly because it will output whatever was
913 # used when compiling the Python interpreter itself, including flags which
914 # would make the python-related objects be compiled differently from the
915 # rest of GDB (e.g., -O2 and -fPIC).
916 if test "${GCC}" = yes; then
917 tentative_python_cflags="-fno-strict-aliasing -fwrapv"
918 # Python headers recommend -DNDEBUG, but it's unclear if that just
919 # refers to building Python itself. In release mode, though, it
920 # doesn't hurt for the Python code in gdb to follow.
921 $development || tentative_python_cflags="$tentative_python_cflags -DNDEBUG"
924 if test "x${tentative_python_cflags}" != x; then
925 AC_MSG_CHECKING(compiler flags for python code)
926 for flag in ${tentative_python_cflags}; do
927 # Check that the compiler accepts it
928 saved_CFLAGS="$CFLAGS"
929 CFLAGS="$CFLAGS $flag"
930 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
931 CFLAGS="$saved_CFLAGS"
933 AC_MSG_RESULT(${PYTHON_CFLAGS})
936 # On x64 Windows, Python's include headers, and pyconfig.h in
937 # particular, rely on MS_WIN64 macro to detect that it's a 64bit
938 # version of Windows. Unfortunately, MS_WIN64 is only defined if
939 # _MSC_VER, a Microsoft-specific macro, is defined. So, when
940 # building on x64 Windows with GCC, we define MS_WIN64 ourselves.
941 # The issue was reported to the Python community, but still isn't
942 # solved as of 2012-10-02 (http://bugs.python.org/issue4709).
946 if test "${GCC}" = yes; then
947 CPPFLAGS="$CPPFLAGS -DMS_WIN64"
952 # Note that "python -m threading" cannot be used to check for
953 # threading support due to a bug in Python 2.7.3
954 # (http://bugs.python.org/issue15567).
955 AC_MSG_CHECKING(whether python supports threads)
956 saved_CPPFLAGS="${CPPFLAGS}"
957 CPPFLAGS="${PYTHON_CPPFLAGS}"
958 # Note that the test is reversed so that python_has_threads=yes on
959 # unexpected failures.
960 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
965 ]])], [python_has_threads=no], [python_has_threads=yes])
966 AC_MSG_RESULT(${python_has_threads})
967 CPPFLAGS="${saved_CPPFLAGS}"
969 # Even if Python support is not compiled in, we need to have this file
970 # included so that the "python" command, et.al., still exists.
971 CONFIG_OBS="$CONFIG_OBS python/python.o"
972 CONFIG_SRCS="$CONFIG_SRCS python/python.c"
975 # Work around Python http://bugs.python.org/issue10112. See also
976 # http://bugs.python.org/issue11410, otherwise -Wl,--dynamic-list has
977 # no effect. Note that the only test after this that uses Python is
978 # the -rdynamic/-Wl,--dynamic-list test, and we do want that one to be
979 # run without -export-dynamic too.
980 PYTHON_LIBS=`echo $PYTHON_LIBS | sed -e 's/-Xlinker -export-dynamic//'`
982 AC_SUBST(PYTHON_CFLAGS)
983 AC_SUBST(PYTHON_CPPFLAGS)
984 AC_SUBST(PYTHON_LIBS)
985 AM_CONDITIONAL(HAVE_PYTHON, test "${have_libpython}" != no)
987 # -------------------- #
988 # Check for libguile. #
989 # -------------------- #
991 dnl Utility to simplify finding libguile.
992 dnl $1 = pkg-config-program
993 dnl $2 = space-separate list of guile versions to try
994 dnl $3 = yes|no, indicating whether to flag errors or ignore them
995 dnl $4 = the shell variable to assign the result to
996 dnl If libguile is found we store "yes" here.
998 AC_DEFUN([AC_TRY_LIBGUILE],
1001 guile_version_list=$2
1003 define([have_libguile_var],$4)
1004 found_usable_guile=checking
1005 AC_MSG_CHECKING([for usable guile from ${pkg_config}])
1006 for guile_version in ${guile_version_list}; do
1007 ${pkg_config} --exists ${guile_version} 2>/dev/null
1008 if test $? != 0; then
1011 dnl pkg-config says the package exists, so if we get an error now,
1013 new_CPPFLAGS=`${pkg_config} --cflags ${guile_version}`
1014 if test $? != 0; then
1015 AC_MSG_ERROR([failure running pkg-config --cflags ${guile_version}])
1017 new_LIBS=`${pkg_config} --libs ${guile_version}`
1018 if test $? != 0; then
1019 AC_MSG_ERROR([failure running pkg-config --libs ${guile_version}])
1021 dnl If we get this far, great.
1022 found_usable_guile=${guile_version}
1025 if test "${found_usable_guile}" = "checking"; then
1026 if test "${flag_errors}" = "yes"; then
1027 AC_MSG_ERROR([unable to find usable guile version from "${guile_version_list}"])
1029 found_usable_guile=no
1032 dnl One final sanity check.
1033 dnl The user could have said --with-guile=python-2.7.
1034 if test "${found_usable_guile}" != no; then
1035 save_CPPFLAGS=$CPPFLAGS
1037 CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
1038 LIBS="$LIBS $new_LIBS"
1039 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "libguile.h"]],
1040 [[scm_init_guile ();]])],
1041 [have_libguile_var=yes
1042 GUILE_CPPFLAGS=$new_CPPFLAGS
1043 GUILE_LIBS=$new_LIBS],
1044 [found_usable_guile=no])
1045 dnl scm_set_automatic_finalization_enabled added in Guile 2.2.
1046 AC_CHECK_FUNC(scm_set_automatic_finalization_enabled,
1047 AC_DEFINE(HAVE_GUILE_MANUAL_FINALIZATION, 1,
1048 [Define if Guile supports manual finalization.])
1050 CPPFLAGS=$save_CPPFLAGS
1052 if test "${found_usable_guile}" = no; then
1053 if test "${flag_errors}" = yes; then
1054 AC_MSG_FAILURE([linking guile version ${guile_version} test program failed])
1058 AC_MSG_RESULT([${found_usable_guile}])
1061 dnl There are several different values for --with-guile:
1063 dnl no - Don't include guile support.
1064 dnl yes - Include guile support, error if it's missing.
1065 dnl The pkg-config program must be in $PATH.
1066 dnl auto - Same as "yes", but if guile is missing from the system,
1067 dnl fall back to "no".
1068 dnl guile-version [guile-version-choice-2 ...] -
1069 dnl A space-separated list of guile package versions to try.
1070 dnl These are passed to pkg-config as-is.
1071 dnl E.g., guile-2.0 or guile-2.2-uninstalled
1072 dnl This requires making sure PKG_CONFIG_PATH is set appropriately.
1073 dnl /path/to/pkg-config -
1074 dnl Use this pkg-config program.
1075 dnl NOTE: This needn't be the "real" pkg-config program.
1076 dnl It could be a shell script. It is invoked as:
1077 dnl pkg-config --exists $version
1078 dnl pkg-config --cflags $version
1079 dnl pkg-config --libs $version
1080 dnl pkg-config --variable guild $version
1081 dnl The script will be called with $version having each value in
1082 dnl $try_guile_versions until --exists indicates success.
1085 AS_HELP_STRING([--with-guile@<:@=GUILE@:>@], [include guile support (auto/yes/no/<guile-version>/<pkg-config-program>)]),
1086 [], [with_guile=auto])
1087 AC_MSG_CHECKING([whether to use guile])
1088 AC_MSG_RESULT([$with_guile])
1090 dnl We check guile with pkg-config.
1091 AC_PATH_PROG(pkg_config_prog_path, pkg-config, missing)
1093 try_guile_versions="guile-2.0"
1095 case "${with_guile}" in
1097 AC_MSG_WARN([guile support disabled; some features will be unavailable.])
1100 if test "${pkg_config_prog_path}" = "missing"; then
1101 AC_MSG_WARN([pkg-config not found, guile support disabled])
1103 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, no, have_libguile)
1107 if test "${pkg_config_prog_path}" = "missing"; then
1108 AC_MSG_ERROR([pkg-config not found])
1110 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${try_guile_versions}, yes, have_libguile)
1112 [[\\/]]* | ?:[[\\/]]*)
1113 if test -x "${with_guile}"; then
1114 AC_TRY_LIBGUILE(${with_guile}, ${try_guile_versions}, yes, have_libguile)
1116 AC_MSG_ERROR([Guile config program not executable: ${with_guile}])
1120 # Disallow --with=guile="" and --with-guile=foo/bar.
1121 AC_MSG_ERROR([invalid value for --with-guile])
1124 # A space separate list of guile versions to try, in order.
1125 if test "${pkg_config_prog_path}" = "missing"; then
1126 AC_MSG_ERROR([pkg-config not found])
1128 AC_TRY_LIBGUILE(${pkg_config_prog_path}, ${with_guile}, yes, have_libguile)
1132 if test "${have_libguile}" != no; then
1133 dnl Get the name of the 'guild' program.
1134 case "${with_guile}" in
1135 [[\\/]]* | ?:[[\\/]]*)
1136 GDB_GUILE_PROGRAM_NAMES(["${with_guile}"], ["${guile_version}"])
1139 GDB_GUILE_PROGRAM_NAMES(["${pkg_config_prog_path}"], ["${guile_version}"])
1143 dnl Make sure guild can handle this host.
1144 GDB_TRY_GUILD([$srcdir/guile/lib/gdb/support.scm])
1145 dnl If not, disable guile support.
1146 if test "$ac_cv_guild_ok" = no; then
1148 AC_MSG_WARN(disabling guile support, $GUILD fails compiling for $host)
1152 if test "${have_libguile}" != no; then
1153 AC_DEFINE(HAVE_GUILE, 1, [Define if Guile interpreter is being linked in.])
1154 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_GUILE_OBS)"
1155 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_GUILE_DEPS)"
1156 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_GUILE_SRCS)"
1157 CONFIG_INSTALL="$CONFIG_INSTALL install-guile"
1158 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_GUILE_CFLAGS)"
1160 dnl The 'scm_new_smob' function appeared in Guile 2.0.6.
1162 save_CPPFLAGS="$CPPFLAGS"
1164 CPPFLAGS="$GUILE_CPPFLAGS"
1165 AC_CHECK_FUNCS([scm_new_smob])
1167 CPPFLAGS="$save_CPPFLAGS"
1169 # Even if Guile support is not compiled in, we need to have these files
1171 CONFIG_OBS="$CONFIG_OBS guile/guile.o"
1172 CONFIG_SRCS="$CONFIG_SRCS guile/guile.c"
1174 AC_SUBST(GUILE_CPPFLAGS)
1175 AC_SUBST(GUILE_LIBS)
1176 AM_CONDITIONAL(HAVE_GUILE, test "${have_libguile}" != no)
1178 # ---------------------------- #
1179 # Check for source highlight. #
1180 # ---------------------------- #
1185 AC_ARG_ENABLE(source-highlight,
1186 AS_HELP_STRING([--enable-source-highlight],
1187 [enable source-highlight for source listings]),
1188 [case "${enableval}" in
1189 yes) enable_source_highlight=yes ;;
1190 no) enable_source_highlight=no ;;
1191 *) AC_MSG_ERROR(bad value ${enableval} for source-highlight option) ;;
1193 [enable_source_highlight=auto])
1195 if test "${enable_source_highlight}" != "no"; then
1196 AC_MSG_CHECKING([for the source-highlight library])
1197 if test "${pkg_config_prog_path}" = "missing"; then
1198 AC_MSG_RESULT([no - pkg-config not found])
1199 if test "${enable_source_highlight}" = "yes"; then
1200 AC_MSG_ERROR([pkg-config was not found in your system])
1205 AC_MSG_ERROR([source highlight is incompatible with -static-libstdc++; dnl
1206 either use --disable-source-highlight or dnl
1207 --without-static-standard-libraries])
1211 if ${pkg_config_prog_path} --exists source-highlight; then
1212 SRCHIGH_CFLAGS=`${pkg_config_prog_path} --cflags source-highlight`
1213 SRCHIGH_LIBS=`${pkg_config_prog_path} --libs source-highlight`
1214 AC_DEFINE([HAVE_SOURCE_HIGHLIGHT], 1,
1215 [Define to 1 if the source-highlight library is available])
1216 AC_MSG_RESULT([yes])
1219 if test "${enable_source_highlight}" = "yes"; then
1220 AC_MSG_ERROR([source-highlight was not found in your system])
1225 AC_SUBST(SRCHIGH_LIBS)
1226 AC_SUBST(SRCHIGH_CFLAGS)
1228 AC_ARG_WITH(intel_pt,
1229 AS_HELP_STRING([--with-intel-pt], [include Intel Processor Trace support (auto/yes/no)]),
1230 [], [with_intel_pt=auto])
1231 AC_MSG_CHECKING([whether to use intel pt])
1232 AC_MSG_RESULT([$with_intel_pt])
1234 if test "${with_intel_pt}" = no; then
1235 AC_MSG_WARN([Intel Processor Trace support disabled; some features may be unavailable.])
1238 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
1239 #include <linux/perf_event.h>
1240 #ifndef PERF_ATTR_SIZE_VER5
1243 ]])], [perf_event=yes], [perf_event=no])
1244 if test "$perf_event" != yes; then
1245 if test "$with_intel_pt" = yes; then
1246 AC_MSG_ERROR([linux/perf_event.h missing or too old])
1248 AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.])
1252 AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);])
1253 if test "$HAVE_LIBIPT" != yes; then
1254 if test "$with_intel_pt" = yes; then
1255 AC_MSG_ERROR([libipt is missing or unusable])
1257 AC_MSG_WARN([libipt is missing or unusable; some features may be unavailable.])
1261 LIBS="$LIBS $LIBIPT"
1262 AC_CHECK_FUNCS(pt_insn_event)
1263 AC_CHECK_MEMBERS([struct pt_insn.enabled, struct pt_insn.resynced], [], [],
1264 [#include <intel-pt.h>])
1269 # ------------------------- #
1270 # Checks for header files. #
1271 # ------------------------- #
1274 # elf_hp.h is for HP/UX 64-bit shared library support.
1275 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
1276 thread_db.h linux/elf.h \
1277 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
1278 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
1279 sys/reg.h sys/debugreg.h sys/select.h \
1280 termios.h elf_hp.h])
1281 AC_CHECK_HEADERS(sys/user.h, [], [],
1282 [#if HAVE_SYS_PARAM_H
1283 # include <sys/param.h>
1287 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncursesw/ncurses.h ncurses/ncurses.h ncurses/term.h)
1288 AC_CHECK_HEADERS(term.h, [], [],
1290 # include <curses.h>
1294 # ------------------------- #
1295 # Checks for declarations. #
1296 # ------------------------- #
1300 AC_CHECK_DECLS([snprintf])
1303 # ----------------------- #
1304 # Checks for structures. #
1305 # ----------------------- #
1307 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
1309 # ------------------ #
1310 # Checks for types. #
1311 # ------------------ #
1313 AC_CHECK_TYPES(socklen_t, [], [],
1314 [#include <sys/types.h>
1315 #include <sys/socket.h>
1318 # ------------------------------------- #
1319 # Checks for compiler characteristics. #
1320 # ------------------------------------- #
1326 # ------------------------------ #
1327 # Checks for library functions. #
1328 # ------------------------------ #
1332 AC_CHECK_FUNCS([getauxval getrusage getuid getgid \
1333 pipe poll pread pread64 pwrite resize_term \
1334 sbrk getpgid setpgid setpgrp setsid \
1335 sigaction sigsetmask socketpair \
1336 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
1337 setrlimit getrlimit posix_madvise waitpid \
1338 ptrace64 sigaltstack setns use_default_colors])
1342 # Check the return and argument types of ptrace.
1345 dnl AC_FUNC_SETPGRP does not work when cross compiling
1346 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1347 if test "$cross_compiling" = no; then
1350 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1354 if (setpgrp(1,1) == -1)
1358 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1359 if test $ac_cv_func_setpgrp_void = yes; then
1360 AC_DEFINE(SETPGRP_VOID, 1)
1364 # Assume we'll default to using the included libiberty regex.
1365 gdb_use_included_regex=yes
1367 # However, if the system regex is GNU regex, then default to *not*
1368 # using the included regex.
1371 [gdb_cv_have_gnu_regex],
1373 [#include <gnu-versions.h>],
1374 [#define REGEX_INTERFACE_VERSION 1
1375 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1376 # error "Version mismatch"
1378 gdb_cv_have_gnu_regex=yes,
1379 gdb_cv_have_gnu_regex=no)])
1380 if test $gdb_cv_have_gnu_regex = yes; then
1381 gdb_use_included_regex=no
1384 AC_ARG_WITH(included-regex,
1385 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1386 gdb_with_regex=$withval,
1387 gdb_with_regex=$gdb_use_included_regex)
1388 if test "$gdb_with_regex" = yes; then
1389 AC_DEFINE(USE_INCLUDED_REGEX, 1,
1390 [Define to 1 if the regex included in libiberty should be used.])
1393 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1394 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1395 [#include <sys/param.h>
1396 #include <sys/proc.h>
1399 # See if <sys/lwp.h> defines `struct lwp`.
1400 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1401 [AC_TRY_COMPILE([#include <sys/param.h>
1403 #include <sys/lwp.h>], [struct lwp l;],
1404 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1405 if test $gdb_cv_struct_lwp = yes; then
1406 AC_DEFINE(HAVE_STRUCT_LWP, 1,
1407 [Define to 1 if your system has struct lwp.])
1410 # See if <machine/reg.h> degines `struct reg'.
1411 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1412 [AC_TRY_COMPILE([#include <sys/types.h>
1413 #include <machine/reg.h>], [struct reg r;],
1414 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1415 if test $gdb_cv_struct_reg = yes; then
1416 AC_DEFINE(HAVE_STRUCT_REG, 1,
1417 [Define to 1 if your system has struct reg in <machine/reg.h>.])
1420 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1421 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1422 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1423 [#include <sys/types.h>
1424 #include <machine/reg.h>])
1426 # See if <sys/user.h> supports the %fs_base and %gs_bas amd64 segment registers.
1427 # Older amd64 Linux's don't have the fs_base and gs_base members of
1428 # `struct user_regs_struct'.
1429 AC_CHECK_MEMBERS([struct user_regs_struct.fs_base, struct user_regs_struct.gs_base],
1430 [], [], [#include <sys/types.h>
1431 #include <sys/user.h>])
1433 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1434 AC_MSG_CHECKING(for PTRACE_GETREGS)
1435 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1436 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1438 [gdb_cv_have_ptrace_getregs=yes],
1439 [gdb_cv_have_ptrace_getregs=no])])
1440 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1441 if test $gdb_cv_have_ptrace_getregs = yes; then
1442 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1443 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1446 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1447 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1448 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1449 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1450 [PTRACE_GETFPXREGS;],
1451 [gdb_cv_have_ptrace_getfpxregs=yes],
1452 [gdb_cv_have_ptrace_getfpxregs=no])])
1453 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1454 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1455 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1456 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1459 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1460 AC_MSG_CHECKING(for PT_GETDBREGS)
1461 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1462 [AC_TRY_COMPILE([#include <sys/types.h>
1463 #include <sys/ptrace.h>],
1465 [gdb_cv_have_pt_getdbregs=yes],
1466 [gdb_cv_have_pt_getdbregs=no])])
1467 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1468 if test $gdb_cv_have_pt_getdbregs = yes; then
1469 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1470 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1473 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1474 AC_MSG_CHECKING(for PT_GETXMMREGS)
1475 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1476 [AC_TRY_COMPILE([#include <sys/types.h>
1477 #include <sys/ptrace.h>],
1479 [gdb_cv_have_pt_getxmmregs=yes],
1480 [gdb_cv_have_pt_getxmmregs=no])])
1481 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1482 if test $gdb_cv_have_pt_getxmmregs = yes; then
1483 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1484 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1487 # See if <sys/ptrace.h> supports LWP names on FreeBSD
1488 # Older FreeBSD versions don't have the pl_tdname member of
1489 # `struct ptrace_lwpinfo'.
1490 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_tdname], [], [],
1491 [#include <sys/ptrace.h>])
1493 # See if <sys/ptrace.h> supports syscall fields on FreeBSD. The
1494 # pl_syscall_code member of `struct ptrace_lwpinfo' was added in
1496 AC_CHECK_MEMBERS([struct ptrace_lwpinfo.pl_syscall_code], [], [],
1497 [#include <sys/ptrace.h>])
1499 if test "$ac_cv_header_sys_procfs_h" = yes; then
1500 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1501 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1502 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1503 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1504 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1505 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1506 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1507 BFD_HAVE_SYS_PROCFS_TYPE(elf_fpregset_t)
1510 # Check if the compiler supports the `long long' type.
1512 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1513 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1514 [[extern long long foo;]],
1515 [[switch (foo & 2) { case 0: return 1; }]])],
1516 gdb_cv_c_long_long=yes,
1517 gdb_cv_c_long_long=no)])
1518 if test $gdb_cv_c_long_long != yes; then
1519 # libdecnumber requires long long.
1520 AC_MSG_ERROR([Compiler must support long long for GDB.])
1523 # Check if the compiler and runtime support printing long longs.
1525 AC_CACHE_CHECK([for long long support in printf],
1526 gdb_cv_printf_has_long_long,
1527 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1530 l = (l << 16) + 0x0123;
1531 l = (l << 16) + 0x4567;
1532 l = (l << 16) + 0x89ab;
1533 l = (l << 16) + 0xcdef;
1534 sprintf (buf, "0x%016llx", l);
1535 return (strcmp ("0x0123456789abcdef", buf));]])],
1536 gdb_cv_printf_has_long_long=yes,
1537 gdb_cv_printf_has_long_long=no,
1538 gdb_cv_printf_has_long_long=no)])
1539 if test $gdb_cv_printf_has_long_long = yes; then
1540 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1541 [Define to 1 if the "%ll" format works to print long longs.])
1544 # Check if the compiler and runtime support printing decfloats.
1546 AC_CACHE_CHECK([for decfloat support in printf],
1547 gdb_cv_printf_has_decfloat,
1548 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1550 _Decimal32 d32 = 1.2345df;
1551 _Decimal64 d64 = 1.2345dd;
1552 _Decimal128 d128 = 1.2345dl;
1553 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1554 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1555 gdb_cv_printf_has_decfloat=yes,
1556 gdb_cv_printf_has_decfloat=no,
1557 gdb_cv_printf_has_decfloat=no)])
1558 if test $gdb_cv_printf_has_decfloat = yes; then
1559 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1560 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1563 # Check if the compiler supports the `long double' type. We can't use
1564 # AC_C_LONG_DOUBLE because that one does additional checks on the
1565 # constants defined in <float.h> that fail on some systems,
1566 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1568 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1569 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1570 gdb_cv_c_long_double=yes,
1571 gdb_cv_c_long_double=no)])
1572 if test $gdb_cv_c_long_double = yes; then
1573 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1574 [Define to 1 if the compiler supports long double.])
1577 # Check if the compiler and runtime support printing long doubles.
1579 AC_CACHE_CHECK([for long double support in printf],
1580 gdb_cv_printf_has_long_double,
1581 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1583 long double f = 3.141592653;
1584 sprintf (buf, "%Lg", f);
1585 return (strncmp ("3.14159", buf, 7));]])],
1586 gdb_cv_printf_has_long_double=yes,
1587 gdb_cv_printf_has_long_double=no,
1588 gdb_cv_printf_has_long_double=no)])
1589 if test $gdb_cv_printf_has_long_double = yes; then
1590 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1591 [Define to 1 if the "%Lg" format works to print long doubles.])
1594 # Check if the compiler and runtime support scanning long doubles.
1596 AC_CACHE_CHECK([for long double support in scanf],
1597 gdb_cv_scanf_has_long_double,
1598 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1599 [[#include <stdio.h>]],
1600 [[char *buf = "3.141592653";
1602 sscanf (buf, "%Lg", &f);
1603 return !(f > 3.14159 && f < 3.14160);]])],
1604 gdb_cv_scanf_has_long_double=yes,
1605 gdb_cv_scanf_has_long_double=no,
1606 gdb_cv_scanf_has_long_double=no)])
1607 if test $gdb_cv_scanf_has_long_double = yes; then
1608 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1609 [Define to 1 if the "%Lg" format works to scan long doubles.])
1614 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1615 SAVE_LDFLAGS=$LDFLAGS
1618 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1619 *) gdb_cv_bigtoc=-bbigtoc ;;
1622 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1623 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1624 LDFLAGS="${SAVE_LDFLAGS}"
1626 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1630 AC_MSG_CHECKING(for the dynamic export flag)
1632 if test "${gdb_native}" = yes; then
1633 # The dynamically loaded libthread_db needs access to symbols in the gdb
1634 # executable. Older GNU ld supports --export-dynamic but --dynamic-list
1635 # may not be supported there.
1636 old_LDFLAGS="$LDFLAGS"
1637 # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1638 RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1639 LDFLAGS="$LDFLAGS $RDYNAMIC"
1640 if test "${have_libpython}" = no; then
1641 AC_TRY_LINK([], [], [dynamic_list=true])
1643 # Workaround http://bugs.python.org/issue4434 where static
1644 # libpythonX.Y.a would get its symbols required for
1645 # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1646 # Problem does not happen for the recommended libpythonX.Y.so linkage.
1648 # Note the workaround for Python
1649 # http://bugs.python.org/issue10112 earlier has removed
1650 # -export-dynamic from PYTHON_LIBS. That's exactly what we want
1651 # here too, as otherwise it'd make this -Wl,--dynamic-list test
1653 old_CFLAGS="$CFLAGS"
1654 CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1656 LIBS="$LIBS $PYTHON_LIBS"
1657 old_CPPFLAGS="$CPPFLAGS"
1658 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
1661 [#include "Python.h"],
1664 err = PyRun_SimpleString ("import itertools\n");
1666 return err == 0 ? 0 : 1;])],
1667 [dynamic_list=true], [], [true])
1669 CFLAGS="$old_CFLAGS"
1670 CPPFLAGS="$old_CPPFLAGS"
1672 LDFLAGS="$old_LDFLAGS"
1674 if $dynamic_list; then
1675 found="-Wl,--dynamic-list"
1676 RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1679 RDYNAMIC="-rdynamic"
1682 AC_MSG_RESULT($found)
1684 dnl For certain native configurations, we need to check whether thread
1685 dnl support can be built in or not.
1687 dnl Note that we only want this if we are both native (host == target),
1688 dnl and not doing a canadian cross build (build == host).
1690 if test ${build} = ${host} -a ${host} = ${target} ; then
1693 AC_MSG_CHECKING(for AiX thread debugging library)
1694 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1695 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1696 [#ifndef PTHDB_VERSION_3
1699 gdb_cv_have_aix_thread_debug=yes,
1700 gdb_cv_have_aix_thread_debug=no)])
1701 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1702 if test $gdb_cv_have_aix_thread_debug = yes; then
1703 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1704 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1705 LIBS="$LIBS -lpthdebug"
1707 # Older versions of AIX do not provide the declaration for
1708 # the getthrds function (it appears that it was introduced
1710 AC_CHECK_DECLS(getthrds, [], [], [[#include <procinfo.h>]])
1714 AC_SUBST(CONFIG_LDFLAGS)
1717 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1718 dnl other error codes.
1719 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1720 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1721 gdb_cv_thread_db_h_has_td_notalloc,
1723 [#include <thread_db.h>],
1724 [int i = TD_NOTALLOC;],
1725 gdb_cv_thread_db_h_has_td_notalloc=yes,
1726 gdb_cv_thread_db_h_has_td_notalloc=no
1729 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1730 gdb_cv_thread_db_h_has_td_version,
1732 [#include <thread_db.h>],
1733 [int i = TD_VERSION;],
1734 gdb_cv_thread_db_h_has_td_version=yes,
1735 gdb_cv_thread_db_h_has_td_version=no
1738 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1739 gdb_cv_thread_db_h_has_td_notls,
1741 [#include <thread_db.h>],
1742 [int i = TD_NOTLS;],
1743 gdb_cv_thread_db_h_has_td_notls=yes,
1744 gdb_cv_thread_db_h_has_td_notls=no
1748 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1749 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1750 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1752 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1753 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1754 [Define if <thread_db.h> has the TD_VERSION error code.])
1756 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1757 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1758 [Define if <thread_db.h> has the TD_NOTLS error code.])
1761 dnl Check if we can disable the virtual address space randomization.
1762 dnl The functionality of setarch -R.
1763 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1764 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1765 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1766 # define ADDR_NO_RANDOMIZE 0x0040000
1768 /* Test the flag could be set and stays set. */
1769 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1770 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1772 AC_RUN_IFELSE([PERSONALITY_TEST],
1773 [have_personality=true],
1774 [have_personality=false],
1775 [AC_LINK_IFELSE([PERSONALITY_TEST],
1776 [have_personality=true],
1777 [have_personality=false])])
1778 if $have_personality
1780 AC_DEFINE([HAVE_PERSONALITY], 1,
1781 [Define if you support the personality syscall.])
1784 dnl Set the host's .gdbinit filename.
1793 AC_DEFINE_UNQUOTED(GDBINIT,"$gdbinit",[The .gdbinit filename.])
1795 dnl Handle optional features that can be enabled.
1797 # Support for --with-sysroot is a copy of GDB_AC_WITH_DIR,
1798 # except that the argument to --with-sysroot is optional.
1799 # --with-sysroot (or --with-sysroot=yes) sets the default sysroot path.
1800 if test "x$with_sysroot" = xyes; then
1801 with_sysroot="${exec_prefix}/${target_alias}/sys-root"
1803 AC_ARG_WITH(sysroot,
1804 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
1805 [search for usr/lib et al within DIR]),
1806 [TARGET_SYSTEM_ROOT=$withval], [TARGET_SYSTEM_ROOT=])
1807 AC_DEFINE_DIR(TARGET_SYSTEM_ROOT, TARGET_SYSTEM_ROOT,
1808 [search for usr/lib et al within DIR])
1809 AC_SUBST(TARGET_SYSTEM_ROOT)
1810 GDB_AC_DEFINE_RELOCATABLE(TARGET_SYSTEM_ROOT, sysroot, ${ac_define_dir})
1812 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1813 [automatically load a system-wide gdbinit file],
1819 # In the Cygwin environment, we need some additional flags.
1820 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1821 [AC_EGREP_CPP(^lose$, [
1822 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1824 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1827 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1828 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1830 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1831 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1832 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1833 *) SER_HARDWIRE="$SER_HARDWIRE ser-uds.o" ;;
1835 AC_SUBST(SER_HARDWIRE)
1837 # libreadline needs libuser32.a in a cygwin environment
1839 if test x$gdb_cv_os_cygwin = xyes; then
1840 WIN32LIBS="-luser32"
1842 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1847 # The ser-tcp.c module requires sockets.
1850 AC_DEFINE(USE_WIN32API, 1,
1851 [Define if we should use the Windows API, instead of the
1852 POSIX API. On Windows, we use the Windows API when
1853 building for MinGW, but the POSIX API when building
1855 WIN32LIBS="$WIN32LIBS -lws2_32"
1860 # Add ELF support to GDB, but only if BFD includes ELF support.
1861 GDB_AC_CHECK_BFD([for ELF support in BFD], gdb_cv_var_elf,
1862 [bfd_get_elf_phdr_upper_bound (NULL)], elf-bfd.h)
1863 if test $gdb_cv_var_elf = yes; then
1864 CONFIG_OBS="$CONFIG_OBS elfread.o stap-probe.o dtrace-probe.o"
1865 AC_DEFINE(HAVE_ELF, 1,
1866 [Define if ELF support should be included.])
1867 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1868 if test "$plugins" = "yes"; then
1869 AC_SEARCH_LIBS(dlopen, dl)
1873 # Add macho support to GDB, but only if BFD includes it.
1874 GDB_AC_CHECK_BFD([for Mach-O support in BFD], gdb_cv_var_macho,
1875 [bfd_mach_o_lookup_command (NULL, 0, NULL)], mach-o.h)
1876 if test $gdb_cv_var_macho = yes; then
1877 CONFIG_OBS="$CONFIG_OBS machoread.o"
1880 # Add any host-specific objects to GDB.
1881 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1883 # If building on ELF, look for lzma support for embedded compressed debug info.
1884 if test $gdb_cv_var_elf = yes; then
1886 AS_HELP_STRING([--with-lzma], [support lzma compression (auto/yes/no)]),
1887 [], [with_lzma=auto])
1888 AC_MSG_CHECKING([whether to use lzma])
1889 AC_MSG_RESULT([$with_lzma])
1891 if test "${with_lzma}" != no; then
1892 AC_LIB_HAVE_LINKFLAGS([lzma], [], [#include "lzma.h"],
1893 [lzma_index_iter iter;
1894 lzma_index_iter_init (&iter, 0);
1895 lzma_mf_is_supported (LZMA_MF_HC3);])
1896 if test "$HAVE_LIBLZMA" != yes; then
1897 if test "$with_lzma" = yes; then
1898 AC_MSG_ERROR([missing liblzma for --with-lzma])
1904 LIBGUI="../libgui/src/libgui.a"
1905 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1907 AC_SUBST(GUI_CFLAGS_X)
1911 AC_SUBST(WIN32LDAPP)
1914 *-*-cygwin* | *-*-mingw* )
1923 if test "${enable_gdbtk}" = "yes"; then
1925 # Gdbtk must have an absolute path to srcdir in order to run
1926 # properly when not installed.
1934 # If $no_tk is nonempty, then we can't do Tk, and there is no
1935 # point to doing Tcl.
1938 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1941 # Check for in-tree tcl
1948 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1952 # Find Tcl private headers
1953 if test x"${intree}" = xno; then
1954 CY_AC_TCL_PRIVATE_HEADERS
1955 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1956 TCL_LIBRARY="${TCL_LIB_SPEC}"
1959 # If building tcl in the same src tree, private headers
1960 # are not needed, but we need to be sure to use the right
1962 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1963 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1964 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1966 AC_SUBST(TCL_INCLUDE)
1967 AC_SUBST(TCL_LIBRARY)
1972 # Check for in-tree Tk
1974 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1978 # Find Tk private headers
1979 if test x"${intree}" = xno; then
1980 CY_AC_TK_PRIVATE_HEADERS
1981 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1982 TK_LIBRARY=${TK_LIB_SPEC}
1985 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1986 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1987 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1989 AC_SUBST(TK_INCLUDE)
1990 AC_SUBST(TK_LIBRARY)
1992 AC_SUBST(TK_XINCLUDES)
1994 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1996 # Include some libraries that Tcl and Tk want.
1997 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1998 # Yes, the ordering seems wrong here. But it isn't.
1999 # TK_LIBS is the list of libraries that need to be linked
2000 # after Tcl/Tk. Note that this isn't put into LIBS. If it
2001 # were in LIBS then any link tests after this point would
2002 # try to include things like `$(LIBGUI)', which wouldn't work.
2003 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
2005 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
2006 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
2007 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
2008 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
2009 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
2010 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
2011 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
2013 if test x$gdb_cv_os_cygwin = xyes; then
2014 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
2015 WIN32LDAPP="-Wl,--subsystem,console"
2016 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
2019 AC_CONFIG_SUBDIRS(gdbtk)
2027 AC_SUBST(GDBTK_CFLAGS)
2028 AC_SUBST(GDBTK_SRC_DIR)
2032 # Unlike the sim directory, whether a simulator is linked is controlled by
2033 # presence of a gdb_sim definition in the target configure.tgt entry.
2034 # This code just checks for a few cases where we'd like to ignore those
2035 # definitions, even when they're present in the '.mt' file. These cases
2036 # are when --disable-sim is specified, or if the simulator directory is
2037 # not part of the source tree.
2040 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2041 [echo "enable_sim = $enable_sim";
2042 echo "enableval = ${enableval}";
2043 case "${enableval}" in
2044 yes) ignore_sim=false ;;
2045 no) ignore_sim=true ;;
2046 *) ignore_sim=false ;;
2050 if test ! -d "${srcdir}/../sim"; then
2056 if test "${ignore_sim}" = "false"; then
2057 if test x"${gdb_sim}" != x ; then
2059 SIM_OBS="remote-sim.o"
2060 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2062 # Some tdep code should only be compiled in when the ppc sim is
2063 # built. PR sim/13418.
2066 AC_DEFINE(WITH_PPC_SIM, 1, [Define if the PPC simulator is being linked in.])
2074 AC_SUBST(ENABLE_CFLAGS)
2075 AC_SUBST(PROFILE_CFLAGS)
2077 AC_SUBST(CONFIG_OBS)
2078 AC_SUBST(CONFIG_DEPS)
2079 AC_SUBST(CONFIG_SRCS)
2080 AC_SUBST(CONFIG_ALL)
2081 AC_SUBST(CONFIG_CLEAN)
2082 AC_SUBST(CONFIG_INSTALL)
2083 AC_SUBST(CONFIG_UNINSTALL)
2085 # List of host floatformats.
2086 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2087 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2088 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2090 # target_subdir is used by the testsuite to find the target libraries.
2092 if test "${host}" != "${target}"; then
2093 target_subdir="${target_alias}/"
2095 AC_SUBST(target_subdir)
2097 # Import nat definitions.
2098 nat_makefile_frag=/dev/null
2099 if test "${gdb_native}" = "yes"; then
2100 . ${srcdir}/configure.nat
2101 nativefile=$NAT_FILE
2105 AC_SUBST(NATDEPFILES)
2110 AC_SUBST(NAT_GENERATED_FILES)
2111 AC_SUBST(HAVE_NATIVE_GCORE_HOST)
2112 AC_SUBST_FILE(nat_makefile_frag)
2114 if test x"${gdb_osabi}" != x ; then
2115 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2116 [Define to the default OS ABI for this configuration.])
2119 AC_ARG_ENABLE(gdbserver,
2120 AS_HELP_STRING([--enable-gdbserver],
2121 [automatically build gdbserver (yes/no/auto, default is auto)]),
2122 [case "${enableval}" in
2124 *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2125 esac],[enable_gdbserver=auto])
2127 # We only build gdbserver automatically in a native configuration, and
2128 # only if the user did not explicitly disable its build.
2129 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2130 AC_MSG_CHECKING(whether gdbserver is supported on this host)
2131 if test "x$build_gdbserver" = xyes; then
2133 AC_CONFIG_SUBDIRS(gdbserver)
2134 gdbserver_build_enabled=yes
2140 # If the user explicitly request the gdbserver to be built, verify that
2141 # we were in fact able to enable it.
2142 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2143 AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2146 # Check for babeltrace and babeltrace-ctf
2147 AC_ARG_WITH(babeltrace,
2148 AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]),
2149 [], [with_babeltrace=auto])
2150 AC_MSG_CHECKING([whether to use babeltrace])
2151 AC_MSG_RESULT([$with_babeltrace])
2153 if test "x$with_babeltrace" = "xno"; then
2154 AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.])
2156 # Append -Werror to CFLAGS so that configure can catch the warning
2157 # "assignment from incompatible pointer type", which is related to
2158 # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works
2159 # in GDB, while babeltrace 1.0.3 is broken.
2160 # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be
2161 # safe to save and restore CFLAGS here.
2162 saved_CFLAGS=$CFLAGS
2163 CFLAGS="$CFLAGS -Werror"
2164 AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf],
2165 [#include <babeltrace/babeltrace.h>
2166 #include <babeltrace/ctf/events.h>
2167 #include <babeltrace/ctf/iterator.h>],
2168 [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL));
2169 struct bt_ctf_event *event = NULL;
2170 const struct bt_definition *scope;
2172 pos->type = BT_SEEK_BEGIN;
2173 bt_iter_set_pos (bt_ctf_get_iter (NULL), pos);
2174 scope = bt_ctf_get_top_level_scope (event,
2175 BT_STREAM_EVENT_HEADER);
2176 bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id"));
2178 CFLAGS=$saved_CFLAGS
2180 if test "$HAVE_LIBBABELTRACE" != yes; then
2181 if test "$with_babeltrace" = yes; then
2182 AC_MSG_ERROR([babeltrace is missing or unusable])
2184 AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.])
2191 AC_HELP_STRING([--with-xxhash], [use libxxhash for hashing (faster) (auto/yes/no)]),
2192 [], [with_xxhash=auto])
2194 if test "x$with_xxhash" != "xno"; then
2195 AC_LIB_HAVE_LINKFLAGS([xxhash], [],
2196 [#include <xxhash.h>],
2197 [XXH32("foo", 3, 0);
2199 if test "$HAVE_LIBXXHASH" != yes; then
2200 if test "$with_xxhash" = yes; then
2201 AC_MSG_ERROR([xxhash is missing or unusable])
2204 if test "x$with_xxhash" = "xauto"; then
2205 with_xxhash="$HAVE_LIBXXHASH"
2209 AC_MSG_CHECKING([whether to use xxhash])
2210 AC_MSG_RESULT([$with_xxhash])
2214 if test "${nativefile}" != ""; then
2215 case "${nativefile}" in
2216 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2217 * ) GDB_NM_FILE="${nativefile}"
2219 AC_CONFIG_LINKS([nm.h:$GDB_NM_FILE], [echo > stamp-nmh],
2220 [GDB_NM_FILE=$GDB_NM_FILE])
2221 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2224 AC_SUBST(GDB_NM_FILE)
2227 dnl Add dependency for xsltproc if building with maintainer-mode enabled.
2228 AC_PATH_PROGS(XSLTPROC, xsltproc, missing)
2229 if test "x$USE_MAINTAINER_MODE" = xyes; then
2230 if test "${XSLTPROC}" = missing; then
2231 AC_ERROR(unable to find xsltproc. maintainer-mode requires xsltproc.)
2236 dnl Check for exe extension set on certain hosts (e.g. Win32)
2239 dnl Detect the character set used by this host.
2240 dnl At the moment, we just assume it's UTF-8.
2241 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2242 [Define to be a string naming the default host character set.])
2245 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_UNITTESTS_OBS) gdbsupport/selftest.o selftest-arch.o"
2246 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_UNITTESTS_SRCS) gdbsupport/selftest.c selftest-arch.c"
2249 GDB_AC_TRANSFORM([gdb], [GDB_TRANSFORM_NAME])
2250 GDB_AC_TRANSFORM([gcore], [GCORE_TRANSFORM_NAME])
2251 AC_CONFIG_FILES([gcore], [chmod +x gcore])
2252 AC_CONFIG_FILES([Makefile gdb-gdb.gdb gdb-gdb.py doc/Makefile data-directory/Makefile])